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Re: rfc: don't delete alternate entry points in cfgcleanup.c
- From: Richard Henderson <rth at redhat dot com>
- To: Zack Weinberg <zack at codesourcery dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 27 Jan 2003 23:34:59 -0800
- Subject: Re: rfc: don't delete alternate entry points in cfgcleanup.c
- References: <871y2y81cu.fsf@egil.codesourcery.com>
On Mon, Jan 27, 2003 at 06:17:05PM -0800, Zack Weinberg wrote:
> We discovered while trying to do stuff with alternate entry points
> that cfgcleanup.c is prone to delete the special CODE_LABELs.
The correct way to handle this is to have an edge from
ENTRY_BLOCK to these alternate entry points. Using
LABEL_PRESERVE_P is incorrect.
r~